Question

the sum of three consecutive number is 24. find the number

Answer 1

Let the reqd nos be x, x+1,x+2
Sum=24
x+x+1+x+2=24
3x+3=24
3x=21
x=7
So nos are 7,8,9

Answer 2

Let the three numbers are X,X+1,X+2 respectively.
As per condition,
X+X+1+X+2=24
=> 3x+3=24
=> 3x=24-3= 21
=>x=21/3=7
Therefore, the three consecutive numbers are 7,7+1=8,7+2=9 respectively.
Hope this answer helps...